Open fire grill



FIG. 1 is a side view of an open fire grill showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is an isometric view thereof. 

I claim the ornamental design for an open fire grill, as shown and described. 